Identifying parts on the system board, Identifying, Parts – Lenovo 3000 User Manual
Page 12: System, Board
Identifying
parts
on
the
system
board
The
system
board
(sometimes
called
the
planar
or
motherboard)
is
the
main
circuit
board
in
your
computer.
It
provides
basic
computer
functions
and
supports
a
variety
of
devices.
The
following
illustration
shows
the
locations
of
parts
on
the
system
board
for
some
computer
models.
1
Microprocessor
and
heat
sink
11
Front
panel
connector
2
Microprocessor
fan
connector
12
Power
LED
connector
3
Memory
connector
1
13
Clear
CMOS/Recovery
jumper
4
Memory
connector
2
14
Front
USB
connectors
5
Power
connector
15
Battery
6
Diskette
drive
connector
16
PCI
adapter
connectors
7
Primary
IDE
connector
17
Front
audio
connector
8
Secondary
IDE
connector
18
AGP
adapter
connector
9
Fan
connector
19
12v
power
connector
10
SATA
IDE
connectors
4
Hardware
Replacement
Guide